Full Distillation Argon Air Separation Equipment
Product Description
Full Distillation Argon Air Separation Equipment is an advanced cryogenic recovery system that extracts 99.999% ultra-high-purity argon directly from air separation units through a 100% hydrogen-free distillation process.
Parameter
|
Matching relationship with the main air separation system |
Purity of argon product |
Argon extraction rate |
Working pressure of refined argon tower |
Product output form |
|
The production of argon is about 5% -12% of the production of oxygen |
≥ 99.999% Ar |
≥ 85% |
Normal or low pressurer |
Mainly liquid argon (LAr)₂ |
(For reference only)
Product Features
Hydrogen-Free Cryogenic Distillation: Employs a pure multi-stage cryogenic rectification process to separate argon without using hydrogen deoxidation, chemical catalyst beds, or high-temperature reaction loops.
Low-Energy Heat Exchange System: Integrates multi-pass cryogenic heat exchangers and subcoolers to optimize cold energy recovery and lower unit power consumption.
Dynamic Load-Tracking Control: Equipped with automated DCS/PLC pressure and liquid-level algorithms that dynamically stabilize system operation during plant load variations between 70% and 110%.
High-Purity Multi-Column Rectification: Utilizes precision column internals and structured packing to effectively separate residual nitrogen and oxygen, guaranteeing Grade 5.0 argon purity (O2 <= 1 ppm, N2 <= 2 ppm).
Primary Applications
Semiconductor & Photovoltaics: Ingot growth, wafer slicing, and inert atmosphere control requiring oxygen levels at or below 1 ppm to prevent surface oxidation.
Stainless Steel Production: Argon Oxygen Decarburization (AOD) refining to maintain precise chemical ratios without unwanted carbon pick-up.
Aerospace Manufacturing: High-precision TIG, MIG, and plasma arc welding shielding gas to eliminate weld bead porosity and oxide inclusions.
Specialty Gas Distribution: Direct cylinder filling and merchant liquid argon production without requiring secondary purification systems.
Customization Options
Capacity Matching: Custom column sizing to precisely match client ASU oxygen capacity (3,000 to over 60,000 Nm³/h).
Output Configuration: Tailored production ratios for Liquid Argon (LAr), Gaseous Argon (GAr), or flexible dynamic dual-output.
Cold Box Insulation: Expanded Perlite or high-vacuum multilayer insulation depending on site space, budget, and heat-loss requirements.
Brand Preferences: Customer-specified instrumentation, control valves, and electrical component brands.
Quality Assurance & Execution
Precision Manufacturing: Vacuum-grade clean room assembly for critical cryogenic columns and heat exchangers.
Rigorous NDT Testing: 100% radiographic or ultrasonic weld inspection paired with helium mass spectrometer leak testing down to 1 x 10⁻⁹ mbar·L/s.
Pre-Shipment Testing: Factory Acceptance Testing (FAT) with control system simulation and full pressure boundary verification before dispatch.
Turnkey Support: Complete EPC delivery including foundation design guidance, site installation supervision, cold commissioning, and operator certification.
Factory Capacity & Strength
Proven Experience: 20+ years specializing in Air Separation & CO₂ Recovery Systems.
Massive Scale: 160-acre facility with 69,000m² standardized workshops & 500+ workers.
Smart Manufacturing: 300+ advanced machines, including laser cutters, robotic drills & automated welding.
Global Certifications: ASME, CE, ISO, and Class A2 Pressure Vessel licenses.
Worldwide Service: Products exported to 70+ countries with local support offices in Vietnam & Indonesia.
FAQ
Q: How does full distillation argon production differ from traditional catalytic hydrogen deoxidation?
A: Full distillation relies exclusively on boiling point differences between oxygen, nitrogen, and argon inside a cryogenic column. It avoids injecting hydrogen gas to burn off residual oxygen, eliminating chemical catalyst beds, hydrogen safety hazards, and recurring chemical supply costs.
Q: What exact purity metrics and impurity levels can this system guarantee?
A: The standard output achieves 99.999% purity (Grade 5.0). Impurity limits are guaranteed at oxygen <= 1 ppm, nitrogen <= 2 ppm, and total hydrocarbons <= 0.5 ppm, meeting SEMI C3.57 standards for semiconductor manufacturing.
Q: Can this system be retrofitted into our existing Air Separation Unit (ASU)?
A: Yes. We perform thermodynamic balance modeling based on your ASU's existing raw argon fraction stream. Provided your main air compressor and cold box have sufficient cooling margin, our modular argon recovery skid can be integrated with minimal disruption.
Q: What is the estimated payback period for adding a full distillation argon system?
A: Depending on local liquid argon market pricing and power tariffs, most industrial gas plants recover their CAPEX investment within 14 to 26 months through the sale or internal utilization of high-purity argon.
Q: How is the system safely controlled during plant load fluctuations?
A: The integrated DCS/PLC features dynamic automatic load adjustment algorithms. Electronic control valves instantly balance column pressures, liquid levels, and reflux ratios to maintain output purity even during 70% to 110% main plant turndown conditions.
Q: What international design certifications and export documentation are provided?
A: We supply complete manufacturing databooks including ASME U-stamp / CE-PED certificates, material test reports (MTRs), NDT weld inspection logs, pressure test certificates, and operation/maintenance manuals in English.
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